| Primary satellite | Secondary satellite |
| Name | Cosmos 1726 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16496 | 30898 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 02 09:16 | 2023 Oct 02 06:02 |
| Time of closest approach (UTC) | 2023 Jun 11 21:33:14.585 |
| Minimum distance | 297.068 km |
| Height difference | -1.661 km |
| Relative speed | 15.161 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 16.2°N, 100.3°W |
| Height | 606 km |
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